<%@ page import="java.util.List" %>
<%@ page import="java.util.ArrayList" %>
<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.Statement" %>
<%@ page import="java.sql.ResultSet" %>
<%@ page import="java.sql.DriverManager" %><%--
  Created by IntelliJ IDEA.
  User: Administrator
  Date: 2018/3/25
  Time: 9:28
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<% request.setCharacterEncoding("UTF-8") ;%>
<html>
<head>
    <title>所有用户</title>
    <style type="text/css">
        table {
            border: 1px solid #000;
            border-collapse: collapse;
        }

        td, th {

            border: 1px solid #000;
            padding: 10px;
        }

        button a {
            text-decoration: none;
        }

        td a {
            text-decoration: none;
        }

        td{
            text-align: center;
        }
    </style>
</head>
<body>

<button type="button" name="userAdd"><a href="/userAdd.jsp">添加用户</a></button>
<button type="button" name="reload" onclick="reload()">刷新</button>
<table>
    <thead>
    <tr>
        <td>编号</td>
        <td>用户名</td>
        <td>密码</td>
        <td colspan=2>操作</td>
    </tr>
    </thead>

    <tbody>
    <%
        class User {
            int id;
            String name;
            String password;

            public User(int id, String name, String password) {
                this.id = id;
                this.name = name;
                this.password = password;
            }
        }

        List<User> list = new ArrayList<User>();


        //JDBC 3+1
        Connection connection = null;
        Statement statement = null;
        ResultSet resultSet = null;

        String sql = "select * from t_users";

        Class.forName("com.mysql.jdbc.Driver");

        connection = DriverManager.getConnection(

                "jdbc:mysql://localhost:3306/sctu_javaweb_2018?characterEncoding=utf-8&useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC",
                "root",
                "123456"
        );

        statement = connection.createStatement();
        resultSet = statement.executeQuery(sql);

        while (resultSet.next()) {
            int id = resultSet.getInt(1);
            String userName = resultSet.getString(2);
            String password = resultSet.getString(3);

            User user = new User(id,userName,password);

            list.add(user);
        }



        //遍历List
        for (User user : list) {
            out.write("<tr><td>" + user.id + "</td><td>" + user.name + "</td><td>" + user.password + "</td><td><a href=\"/userEdit.jsp?id="+user.id+"&name="+user.name+"&password="+user.password+"\">修改</a></td><td><a href=\"/userDelete.jsp?id="+user.id+"\">删除</a></td></tr>");
        }

        resultSet.close();
        statement.close();
        connection.close();


    %>
    </tbody>
</table>

<%--<%@include file="footer.jsp"%>--%>
<jsp:include page="footer.jsp">
    <jsp:param name="year" value="2016"/>
</jsp:include>
</body>
</html>
